<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>王凯旋用来练习js的文件</title>
    <script type="text/javascript" src="static/js/jquery-3.3.1.js"></script>
    <script>
        alert('我叫王凯旋');
        console.log('我叫王凯旋，哈哈')
    </script>
</head>
<body>
<h1>hello world!</h1>
</body>
</html>
